import Vue from 'vue';
import axios from 'axios';
import qs from 'qs';
import merge from 'lodash/merge';

const http = axios.create({
  timeout: 1000 * 30,
  baseURL: 'http://localhost:8022/',
  withCredentials: true
  // headers: {
  //   'Content-Type': 'application/json; charset=utf-8'
  // }
});

/**
 * 请求拦截
 */
http.interceptors.request.use(
  config => {
    // config.headers['token'] = Vue.cookie.get('token'); // 请求头带上token
    return config;
  },
  error => {
    return Promise.reject(error);
  }
);

/**
 * 响应拦截
 */
http.interceptors.response.use(
  response => {
    return response;
  },
  error => {
    return Promise.reject(error);
  }
);

/**
 * get请求参数处理
 * @param {*} params 参数对象
 * @param {*} openDefultParams 是否开启默认参数?
 */
http.adornParams = (params = {}, openDefultParams = true) => {
  var defaults = {
    t: new Date().getTime()
  };
  return openDefultParams ? merge(defaults, params) : params;
};

/**
 * post请求数据处理
 * @param {*} data 数据对象
 * @param {*} openDefultdata 是否开启默认数据?
 * @param {*} contentType 数据格式
 *  json: 'application/json; charset=utf-8'
 *  form: 'application/x-www-form-urlencoded; charset=utf-8'
 */
http.adornData = (data = {}, openDefultdata = true, contentType = 'json') => {
  var defaults = {
    t: new Date().getTime()
  };
  data = openDefultdata ? merge(defaults, data) : data;
  return contentType === 'json' ? JSON.stringify(data) : qs.stringify(data);
};

export default http;
